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Showing 1 to 3 of 3 for “"lock-free synchronization"”.
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Real-Time Software Transactional Memory: Contention Managers, Time Bounds, and Implementations
Lock-based concurrency control suffers from programmability, scalability, and composability challenges. These challenges are exacerbated in emerging multicore architectures, on which improved software performance must be achieved by exposing greater concurrency. Transactional memory (TM) is an …
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Breaking serialization in lock-free multicore synchronization
In multicores, performance-critical synchronization is increasingly performed in a lock-free manner using atomic instructions such as CAS or LL/SC. However, when many processors synchronize on the same variable, performance can still degrade significantly. Contending writes get serialized, creating …
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Utility Accrual Real-Time Scheduling and Synchronization on Single and Multiprocessors: Models, Algorithms, and Tradeoffs
… a class of utility accrual scheduling and synchronization algorithms for dynamic, single and multiprocessor real-time systems. Dynamic real-time systems operate in environments with run-time uncertainties including those on activity execution times and arrival behaviors. We consider the …